expected: |
  3
  -4
  7
  19
  1.5
query: |
  SELECT (1+ 2)::float
  UNION
  SELECT (1 - 2 - 3)::float
  UNION
  SELECT (1 + 2 * 3)::float
  UNION
  SELECT 6 + (2 + (3 * 10) - 6) / 2::float
  UNION
  SELECT 3 / 2.0
